Questions tagged [irb]
IRB, also known as Interactive Ruby, serves as a shell designed for programming in the Ruby language. Users can initiate the program directly from a command prompt and use it to execute Ruby commands one line at a time.
I've been working on an app that can send mass texts by using a JSON file containing numbers and names. However, every time I try to test load the app in IRB, I keep encountering this error message: NameError: undefined local variable or method `data_from ...